Birding spot · Suffolk County, Massachusetts
Birding at Arnold Arboretum I: What You'll See Each Week In November, the birds most often reported at Arnold Arboretum I are American Robin (92%), Black-capped Chickadee (83%), and Blue Jay (83%). It is busiest in spring, when 64 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (75 species). 143 species have been reported here across 4,187 complete checklists from 874 birders.
Species by week 0 20 40 60 80 Jan 1-7: 32 species on 5%+ of 92 checklists Jan 8-14: 32 species on 5%+ of 84 checklists Jan 15-21: 31 species on 5%+ of 82 checklists Jan 22-31: 36 species on 5%+ of 95 checklists Feb 1-7: 33 species on 5%+ of 76 checklists Feb 8-14: 35 species on 5%+ of 79 checklists Feb 15-21: 37 species on 5%+ of 87 checklists Feb 22-28: 39 species on 5%+ of 77 checklists Mar 1-7: 33 species on 5%+ of 85 checklists Mar 8-14: 40 species on 5%+ of 72 checklists Mar 15-21: 35 species on 5%+ of 80 checklists Mar 22-31: 36 species on 5%+ of 121 checklists Apr 1-7: 41 species on 5%+ of 79 checklists Apr 8-14: 47 species on 5%+ of 129 checklists Apr 15-21: 44 species on 5%+ of 119 checklists Apr 22-30: 53 species on 5%+ of 206 checklists May 1-7: 58 species on 5%+ of 227 checklists May 8-14: 68 species on 5%+ of 266 checklists May 15-21: 75 species on 5%+ of 191 checklists May 22-31: 54 species on 5%+ of 163 checklists Jun 1-7: 47 species on 5%+ of 86 checklists Jun 8-14: 46 species on 5%+ of 61 checklists Jun 15-21: 49 species on 5%+ of 67 checklists Jun 22-30: 44 species on 5%+ of 70 checklists Jul 1-7: 45 species on 5%+ of 70 checklists Jul 8-14: 45 species on 5%+ of 51 checklists Jul 15-21: 45 species on 5%+ of 38 checklists Jul 22-31: 43 species on 5%+ of 54 checklists Aug 1-7: 40 species on 5%+ of 44 checklists Aug 8-14: 42 species on 5%+ of 40 checklists Aug 15-21: 43 species on 5%+ of 36 checklists Aug 22-31: 41 species on 5%+ of 76 checklists Sep 1-7: 39 species on 5%+ of 51 checklists Sep 8-14: 42 species on 5%+ of 42 checklists Sep 15-21: 37 species on 5%+ of 44 checklists Sep 22-30: 39 species on 5%+ of 71 checklists Oct 1-7: 48 species on 5%+ of 70 checklists Oct 8-14: 47 species on 5%+ of 70 checklists Oct 15-21: 49 species on 5%+ of 79 checklists Oct 22-31: 46 species on 5%+ of 109 checklists Nov 1-7: 40 species on 5%+ of 85 checklists Nov 8-14: 40 species on 5%+ of 70 checklists Nov 15-21: 36 species on 5%+ of 80 checklists Nov 22-30: 35 species on 5%+ of 62 checklists Dec 1-7: 35 species on 5%+ of 47 checklists Dec 8-14: 39 species on 5%+ of 52 checklists Dec 15-21: 34 species on 5%+ of 47 checklists Dec 22-31: 35 species on 5%+ of 105 checklists Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted. In November: what to expect 1 American Robin 92% 2 Black-capped Chickadee 83% 3 Blue Jay 83% 4 Dark-eyed Junco 76% 5 Northern Cardinal 76% 6 White-throated Sparrow 68% 7 Mourning Dove 66% 8 Song Sparrow 64% 9 White-breasted Nuthatch 59% 10 American Goldfinch 59% 11 Downy Woodpecker 57% 12 European Starling 53% 13 Tufted Titmouse 50% 14 Red-tailed Hawk 48% 15 Red-bellied Woodpecker 44% Share of complete checklists at this spot that reported the bird in November. The sparkline is the whole year, with this month highlighted.
Season by season Specialties Birds reported far more often here than across Massachusetts.
Nearby spots Frequency is the share of complete checklists at this location that listed the bird, 2016–2025. Busy places report more of everything, and the weekly chart counts species on at least 5% of checklists so a few stray reports do not inflate it. How to read it .
American Robin92%
Black-capped Chickadee83%
Blue Jay83%
Dark-eyed Junco76%
Northern Cardinal76%
White-throated Sparrow68%
Mourning Dove66%
Song Sparrow64%
White-breasted Nuthatch59%
American Goldfinch59%
Downy Woodpecker57%
European Starling53%
Tufted Titmouse50%
Red-tailed Hawk48%
Red-bellied Woodpecker44%